<a href="{{ url_for('book', id=book.id) }}" class="list-group-item">
  <h4 class="list-group-item-heading"><span class="badge">{{ book.addtime|strftime }}</span>
    <span class="glyphicon glyphicon-knight" aria-hidden="true"></span> 
    {{ book.en_title }}
  </h4>
  <p class="list-group-item-text">
    Author: {{ book.author }}
  </p>
  <p class="list-group-item-text">
    456 Replies | Last Posted by Bluefireee
  </p>
</a>